PubMed · 2006 · 74 citations · 8 references
The results from this study show that exposure to high ambient temperature produces a significant increase in HR through an increase in sympathetic and decrease in parasympathetic drive.
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Bengt E. Gustafsson, Carl-Erik Quensel, Lisa Swenander Lanke et al. · Acta Odontologica Scandinavica · 1953 · 795 citations · Full text
Nutrition, Public Health Nutrition, Preventive Dentistry +16